nav{
    width: 7.5rem;
    height: 0.88rem;
    border-top: 1px solid #e6e6e6;
    display: flex;
    justify-content: space-around;
}
nav a{
    color: #34c977;
    height: 0.76rem;
    line-height: 0.76rem;
    border-top: 0.06rem solid white;
    border-bottom: 0.06rem solid white;
}
nav a:nth-child(1){
    border-bottom: 0.06rem solid #34c977;
}
section{
    width: 7.5rem;
    background: #f3f3f3;
    padding-top: 0.2rem;
}
.main{
    width: 6.9rem;
    margin: 0 auto;
    background: white;
    border-radius: 0.1rem;
    padding: 0.26rem 0;
    margin-bottom: 0.22rem;
}
.commodity{
    width: 6.64rem;
    height: 1.9rem;
    padding-left: 0.26rem; 
    display: flex;
}
.commodity>img{
    width: 2.1rem;
    height: 1.9rem;
}
.comText{
    text-indent: 0.28rem;
}
.comText>p{
    height: 0.32rem;
    line-height: 0.32rem;
    font-size: 0.26rem;
    font-weight: 500;
}
.comText>.price{
    position: relative;
    width: 4.54rem;
    height: 0.59rem;
    display: flex;
    line-height: 0.59rem;
    font-size: 0.19rem;
    color: #646464;
    position: relative;
}
.comText>.price>p{
    flex: 1;
}
.comText>.price>span{
    text-indent: 0;
    width: 0.5rem;
    font-size: 0.18rem;
}
.comText>.price>span>i{
    position: absolute;
    display: block;
    width: 0.24rem;
    height: 0.36rem;
    font-size: 0.12rem;
    right: 0.55rem;
    bottom: 0.20rem;
}
.main>p{
    text-indent: 0.26rem;
    height: 0.7rem;
    line-height: 0.7rem;
}
.main>p>span:nth-child(1){
    font-size: 0.23rem;
    color: #4eb775;
}
.main>p>span:nth-child(2){
    font-size: 0.26rem;
}
.main>p>span:nth-child(3){
    font-weight: 600;
}
.buyBtn{
    height: 1.02rem;
}
.buyBtn a{
    float: right;
    margin: 0.21rem 0.24rem 0 0;
    height: 0.57rem;
    line-height: 0.57rem;
    width: 1.57rem;
    border: 0.03rem solid #35c877;
    text-align: center;
    background: #35c877;
    color: white;
    border-radius: 0.3rem;
}
.buyBtn .btnBuy{
    background: white;
    color: #686868;
}